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Registro Completo |
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
23/08/2020 |
Data da última atualização: |
28/08/2023 |
Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
Autoria: |
COSTA, T. C. e C. da; VIANA, J. H. M.; RIBEIRO, J. L. |
Afiliação: |
THOMAZ CORREA E CASTRO DA COSTA, CNPMS; JOAO HERBERT MOREIRA VIANA, CNPMS; Juliana Leite Ribeiro, Universidade Federal de São João del-Rei. |
Título: |
Models for semideciduous seasonal forest production of leaves and deciduousness: recent perspectives. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
In: YU, H. (ed.). International research in environment, geography and earth science. Hooghly: Book Publisher International, 2020. |
Volume: |
v. 2. |
Páginas: |
p. 41-72. |
DOI: |
978-93-90149-38-4 |
Idioma: |
Inglês |
Conteúdo: |
The climate, mainly the water availability and temperature, drives the renewal of biomass in seasonal forest ecosystem, and the greenness and leaf area of its canopy are responsive by climate variations. The renewal of leaves indicated by deciduousness can be model to obtain the estimates of this component as an additional compartment of the ecosystem carbon sink. In this study was investigated the relationship between litterfall, climate variables, Leaf Area Index (LAI), and Normalized Difference Vegetation Index (NDVI) in semideciduous forests, to test models to explain the leaf production and deciduousness by time. The data were obtained in satellite images and in plots installed at forest monitoring sites, visited monthly. The tests were conducted in eight semideciduous forest fragments. Permanent plots were monitored monthly and LAI measurements and weighing of litterfall deposited in nets. In this time, Landsat and IRS satellite images were obtained and processed for generation of NDVI. The water balance was calculated for each day. The relationship among the variables ?leaf dry weight?, ?LAI?, ?NDVI? and climate variables were verified and regression models was build and evaluated. With monitoring of the sites, the model was validated and reviewed with new variables and data and three equations were compared. It is possible to estimate the fall and renew of leaves biomass in semideciduous forests with reasonable precision. This study showed that only the leaf component of the litterfall of a semideciduous forest in tropical climate can capture average 6.5 Mg.ha-1 .yr-1 of CO2 and this amount can be estimated using climate, biophysics and vegetation index variables. MenosThe climate, mainly the water availability and temperature, drives the renewal of biomass in seasonal forest ecosystem, and the greenness and leaf area of its canopy are responsive by climate variations. The renewal of leaves indicated by deciduousness can be model to obtain the estimates of this component as an additional compartment of the ecosystem carbon sink. In this study was investigated the relationship between litterfall, climate variables, Leaf Area Index (LAI), and Normalized Difference Vegetation Index (NDVI) in semideciduous forests, to test models to explain the leaf production and deciduousness by time. The data were obtained in satellite images and in plots installed at forest monitoring sites, visited monthly. The tests were conducted in eight semideciduous forest fragments. Permanent plots were monitored monthly and LAI measurements and weighing of litterfall deposited in nets. In this time, Landsat and IRS satellite images were obtained and processed for generation of NDVI. The water balance was calculated for each day. The relationship among the variables ?leaf dry weight?, ?LAI?, ?NDVI? and climate variables were verified and regression models was build and evaluated. With monitoring of the sites, the model was validated and reviewed with new variables and data and three equations were compared. It is possible to estimate the fall and renew of leaves biomass in semideciduous forests with reasonable precision. This study showed that only the leaf componen... Mostrar Tudo |
Palavras-Chave: |
NDVI; Thornthwaite. |
Thesagro: |
Carbono; Ecossistema; Floresta; Folha; Mudança Climática. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 02526naa a2200265 a 4500 001 2124516 005 2023-08-28 008 2020 bl uuuu u00u1 u #d 024 7 $a978-93-90149-38-4$2DOI 100 1 $aCOSTA, T. C. e C. da 245 $aModels for semideciduous seasonal forest production of leaves and deciduousness$brecent perspectives.$h[electronic resource] 260 $c2020 300 $ap. 41-72. v. 2. 490 $vv. 2. 520 $aThe climate, mainly the water availability and temperature, drives the renewal of biomass in seasonal forest ecosystem, and the greenness and leaf area of its canopy are responsive by climate variations. The renewal of leaves indicated by deciduousness can be model to obtain the estimates of this component as an additional compartment of the ecosystem carbon sink. In this study was investigated the relationship between litterfall, climate variables, Leaf Area Index (LAI), and Normalized Difference Vegetation Index (NDVI) in semideciduous forests, to test models to explain the leaf production and deciduousness by time. The data were obtained in satellite images and in plots installed at forest monitoring sites, visited monthly. The tests were conducted in eight semideciduous forest fragments. Permanent plots were monitored monthly and LAI measurements and weighing of litterfall deposited in nets. In this time, Landsat and IRS satellite images were obtained and processed for generation of NDVI. The water balance was calculated for each day. The relationship among the variables ?leaf dry weight?, ?LAI?, ?NDVI? and climate variables were verified and regression models was build and evaluated. With monitoring of the sites, the model was validated and reviewed with new variables and data and three equations were compared. It is possible to estimate the fall and renew of leaves biomass in semideciduous forests with reasonable precision. This study showed that only the leaf component of the litterfall of a semideciduous forest in tropical climate can capture average 6.5 Mg.ha-1 .yr-1 of CO2 and this amount can be estimated using climate, biophysics and vegetation index variables. 650 $aCarbono 650 $aEcossistema 650 $aFloresta 650 $aFolha 650 $aMudança Climática 653 $aNDVI 653 $aThornthwaite 700 1 $aVIANA, J. H. M. 700 1 $aRIBEIRO, J. L. 773 $tIn: YU, H. (ed.). International research in environment, geography and earth science. Hooghly: Book Publisher International, 2020.
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Registros recuperados : 14 | |
1. | | CRAVO, M. da S.; SOUZA, B. D. L. de. Feijão-caupi. In: CRAVO, M. da S.; VIÉGAS, I. de J. M.; BRASIL, E. C. (Ed.). Recomendações de adubação e calagem para o Estado do Pará. Belém, PA: Embrapa Amazônia Oriental, 2007. pt. 2, cap. 5.Tipo: Capítulo em Livro Técnico-Científico |
Biblioteca(s): Embrapa Amazônia Oriental. |
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2. | | CRAVO, M. da S.; SOUZA, B. D. L. de; NAKAYAMA, L. H. I.; BRASIL, E. C. Bananeira. In: CRAVO, M. da S.; VIÉGAS, I. de J. M.; BRASIL, E. C. (Ed.). Recomendações de adubação e calagem para o Estado do Pará. Belém, PA: Embrapa Amazônia Oriental, 2007. pt. 5, cap. 4.Tipo: Capítulo em Livro Técnico-Científico |
Biblioteca(s): Embrapa Amazônia Oriental. |
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5. | | CRAVO, M. da S.; CHENG, S.; SOUZA, B. D. L. de. Melancia e abóbora. In: CRAVO, M. da S.; VIÉGAS, I. de J. M.; BRASIL, E. C. (Ed.). Recomendações de adubação e calagem para o Estado do Pará. Belém, PA: Embrapa Amazônia Oriental, 2007. pt. 4, cap. 3.Tipo: Capítulo em Livro Técnico-Científico |
Biblioteca(s): Embrapa Amazônia Oriental. |
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6. | | CRAVO, M. da S.; CHENG, S.; SOUZA, B. D. L. de. Melão. In: CRAVO, M. da S.; VIÉGAS, I. de J. M.; BRASIL, E. C. (Ed.). Recomendações de adubação e calagem para o Estado do Pará. Belém, PA: Embrapa Amazônia Oriental, 2007. pt. 4, cap. 4.Tipo: Capítulo em Livro Técnico-Científico |
Biblioteca(s): Embrapa Amazônia Oriental. |
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7. | | CRAVO, M. da S.; GALVÃO, E. U. P.; SMYTH, T. J.; SOUZA, B. D. L. de. Sistema bragantino: alternativa inovadora para produção de alimentos em áreas degradadas na Amazônia. Amazônia: ciência & desenvolvimento, Belém, PA, v. 4, n. 7, p. 221-239, jul./dez. 2008.Tipo: Artigo em Periódico Indexado | Circulação/Nível: Nacional - C |
Biblioteca(s): Embrapa Amazônia Oriental. |
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9. | | CRAVO, M. da S.; SOUZA, B. D. L. de; CARDOSO, E. M. R.; ARAUJO, S. M. B. Mandioca. In: BRASIL, E. C.; CRAVO, M. da S.; VIEGAS, I. de J. M. (Ed.). Recomendações de calagem e adubação para o estado do Pará. 2. ed. rev. e atual. Brasília, DF: Embrapa, 2020. Pt. 2, cap. 6, p. 251-253.Tipo: Capítulo em Livro Técnico-Científico |
Biblioteca(s): Embrapa Amazônia Oriental. |
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11. | | BRASIL, E. C.; CRAVO, M. da S.; MENEZES, A. J. E. A. de; CARVALHO, J. E. U. de; SOUZA, B. D. L. de; NAKAYAMA, L. H. I. Bananeira. In: BRASIL, E. C.; CRAVO, M. da S.; VIEGAS, I. de J. M. (Ed.). Recomendações de calagem e adubação para o estado do Pará. 2. ed. rev. e atual. Brasília, DF: Embrapa, 2020. Pt. 5, cap. 4, p. 331-334.Tipo: Capítulo em Livro Técnico-Científico |
Biblioteca(s): Embrapa Amazônia Oriental. |
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12. | | CRAVO, M. D. S.; SOUZA, B. D. L. de; CUNHA, F. D. R.; CAVALCANTE, E. da S.; ALVES, J. M. A.; MARINHO, J. T. de S.; VIEIRA JUNIOR, J. R.; GONCALVES, J. R. P.; FREITAS, A. C. R. de; TOMAZETTI, M. A. Sistemas de cultivo. In: ZILLI, J. E.; VILARINHO, A. A.; ALVES, J. M. A. (Ed.). A cultura do feijão-caupi na Amazônia brasileira. Boa Vista, RR: Embrapa Roraima, 2009. cap. 2, p. 59-104.Tipo: Capítulo em Livro Técnico-Científico |
Biblioteca(s): Embrapa Amapá. |
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13. | | CRAVO, M. da S.; SOUZA, B. D. L. de; CUNHA, F. D. R.; CAVALCANTE, E. da S.; ALVES, J. M. A.; MARINHO, J. T. de S.; VIEIRA JÚNIOR, J. R.; GONÇALVES, J. R. P.; FREITAS, A. C. R. de; TOMAZETTI, M. A. Sistemas de cultivo. In: ZILLI, J. E.; VILARINHO, A. A.; ALVES, J. M. A. (Ed.). A cultura do feijão-caupi na Amazônia brasileira. Boa Vista: Embrapa Roraima, 2009. p. 59-104.Tipo: Capítulo em Livro Técnico-Científico |
Biblioteca(s): Embrapa Acre; Embrapa Amazônia Ocidental; Embrapa Amazônia Oriental; Embrapa Meio-Norte; Embrapa Rondônia. |
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14. | | ROCHA, H. S.; SILVEIRA, H. F. da; SOUZA, A. da S.; OLIVEIRA, S. A. S. de; OLIVEIRA, E. J. de; SOUZA, B. D. L. de; GONÇALVES, H. A.; ACHECO JÚNIOR, R. G. P.; ALMEIDA, N. M. de; LIMA, S. A. de L. Miniestacas de mandioca - nova alternativa de material de plantio. Cruz das Almas, BA: Embrapa Mandioca e Fruticultura, 2021. (Embrapa Mandioca e Fruticultura. Comunicado Técnico, 179).Tipo: Comunicado Técnico/Recomendações Técnicas |
Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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Registros recuperados : 14 | |
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Nenhum registro encontrado para a expressão de busca informada. |
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